Watchband insert



FIG. 1 is a top view of a watchband insert (with the watchband shown in phantom for context, but forming no part of the claimed invention);

FIG. 2 is a an enlarged top view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawing are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a watchband insert, as shown and described. 